Retell AI Install & Auth

Overview

Set up Retell AI SDK/CLI and configure authentication credentials.

Prerequisites

• Node.js 18+ or Python 3.10+
• Package manager (npm, pnpm, or pip)
• Retell AI account with API access
• API key from Retell AI dashboard

Instructions

Step 1: Install SDK

# Node.js
npm install @retellai/sdk

# Python
pip install retellai

Step 2: Configure Authentication

# Set environment variable
export RETELLAI_API_KEY="your-api-key"

# Or create .env file
echo 'RETELLAI_API_KEY=your-api-key' >> .env

Step 3: Verify Connection

// Test connection code here

Output

• Installed SDK package in node_modules or site-packages
• Environment variable or .env file with API key
• Successful connection verification output

Error Handling

Examples

TypeScript Setup

import { RetellAIClient } from '@retellai/sdk';

const client = new RetellAIClient({
  apiKey: process.env.RETELLAI_API_KEY,
});

Python Setup

from retellai import RetellAIClient

client = RetellAIClient(
    api_key=os.environ.get('RETELLAI_API_KEY')
)

Resources

• Retell AI Documentation
• Retell AI Dashboard
• Retell AI Status

Next Steps

After successful auth, proceed to retellai-hello-world for your first API call.